60 inches because the square has 4 sides so 4x2 is 8 and 52+8 is 60.
Answer:
129
Step-by-step explanation:
278 - 149 = 129
Answer:
5.8125 pounds
Step-by-step explanation:
Math book+Science book+Backpack= 4 pounds and 29 ounces. 29 ounces= 1.8125 pounds.
Answer:
-47
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
a⁴ - 6b + 3b ÷ ac
<em>a</em> = -2
<em>b</em> = 6
<em>c</em> = 3
<u>Step 2: Evaluate</u>
- Substitute in variables: (-2)⁴ - 6(6) + 3(6) ÷ (-2)(3)
- Exponents: 16 - 6(6) + 3(6) ÷ (-2)(3)
- Multiply: 16 - 36 + 18 ÷ (-2)(3)
- Divide: 16 - 36 - 9(3)
- Multiply: 16 - 36 - 27
- Subtract: -47
